body {
    text-align: center;
    overflow: hidden;
    background: #F7FAFC;
    font-family: "Microsoft YaHei";
    position: relative;
}

#loginBox {
    width: 400px;
    padding-bottom: 40px;
    margin-left: -200px;
    border-radius: 20px;
    box-shadow: 2px 10px 20px 1px rgba(0, 170, 255, 0.2);
    position: absolute;
    top: 200px;
    left: 50%;
}

#loginBoxHeader {
    width: 400px;
    font-size: 30px;
    line-height: 100px;
    color: #777;
    img.logo {
        display: block;
        width: 72%;
        margin: 48px auto;
    }
}

#loginBoxForm {
    height: 200px;
    padding: 20px 50px 20px;
}

ul {
    padding: 0;
}

li {
    list-style: none;
}

.iptbox {
    border-bottom: 1px solid #BBB;
    line-height: 40px;
    label {
        height: 100%;
        line-height: inherit;
        margin: 0;
        i {
            vertical-align: middle;
        }
    }
    input {
        width: 270px;
        border: 0;
        outline: none;
        padding: 0;
        padding-left: 16px;
        color: #999;
        &::-webkit-input-placeholder {
            color: #999;
        }
    }
}

.userPwdBox {
    margin-top: 40px;
}

.fa-user,
.fa-lock {
    color: #BBB;
}

#loginBoxBtn {
    width: 400px;
    padding-left: 30px;
    padding-right: 30px;
    button {
        margin-left: auto;
        margin-right: auto;
        width: 280px;
        height: 50px;
        color: #FFF;
        background-color: #00AAFF;
        outline: none;
        box-shadow: 2px 10px 20px 1px rgba(0, 170, 255, 0.2);
        transition-duration: 0.5s;
        &:hover {
            width: 340px;
            background-color: #48D1D1;
        }
    }
}

#copy {
    width: 100%;
    text-align: center;
    color: #999;
    position: fixed;
    left: 0;
    bottom: 16px;
}